Granted Patent
Utility
US 4,937,003 · App. 07/388,417
Lyophobic detackifiers
Inventor:
Gene A. Merrell
Patented Case
View Patent ↗
Granted: Jun 26, 1990
Filed: Aug 2, 1989
Inventor
Gene A. Merrell
Assignee (at issue)
Betz Laboratories, Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.